- 2/3
- Ffeil = File
- 1971-1981
Collection of notes and essays on the oil industry.
Petroleum industry and trade -- Wales
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Petroleum industry and trade -- Wales
Termau cyfwerth
Petroleum industry and trade -- Wales
Termau cysylltiedig
Petroleum industry and trade -- Wales
2 Disgrifiad archifol canlyniad ar gyfer Petroleum industry and trade -- Wales
2 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach
- 2/4
- Ffeil = File
- 1960
Typescript and notes for a lecture delivered by Gwilym Prys-Davies to the Philosophy Department of the University of Wales Guild of Graduates at the University College of Wales, Swansea in 1960.